Pharmacological action Cefquinome has broad- spectrum antibacterial activity and has higher activity to Staphylococcus aureus, Streptococcus, Pseudomonas aeruginosa, SEnterobacteriaceae (Salmonella, Enteric bacilli .etc.). It also has good activity to Staphylococci and Enterococcus which has drug resistance to meticillin sodium. Cefquinome can be well absorbed by intramuscular injection and hypodermic injection than by oral administration, the peak time is short , the bioavailability is high.